3657978

Information

• Patent Grant
• 3657978

• References
• Source

• Patent Number

  3,657,978

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1972
  52 years ago

• CPC

  • B41J1/28 - Carriers stationary for impression
  • B41J2/4655 - using character templates

• US Classifications

  • 396 - Photography